Publicly Available Multicast Sites

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Joe Herold - 15 Jul 2004 19:03 GMT

Is anyone aware of any sites (public and/or private
sector) that are delivering live media streams (audio and
video), using multicast and will use the Microsoft
Windows Media Player?

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Marc [MSFT] - 20 Jul 2004 18:36 GMT

Hi Joe,

Multicast content delivery involves a single stream transmitted from a
media server to a series of multicast-enabled routers which replicates the
data. Clients can then receive the stream by monitoring a specific
multicast IP address and port. As the number of multicast users increases,
there is no significant impact on server's performance because clients are
connecting to the stream and not to the server. Because multicast streams
do not greatly impact server performance, it is theoretically possible for
a Windows Media server to handle an unlimited number of multicast users.

Since the Multicast content delivery process requires multicast-enabled
routers to replicate the data, Multicast solutions are generally restricted
to Intranet only broadcasts.

Marc [MSFT]

This posting is provided "AS IS" with no warranties, and confers no rights.
You assume all risk for your use. ? 2004 Microsoft Corporation. All rights
reserved

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Joe Herold - 22 Jul 2004 18:28 GMT

Appreciate the feedback and understand the effort it
would take to deliver a multicast media stream over the
Internet when individuals cannot control routers
everywhere the signal needs to go. However, all I am
looking for 1 or 2 publicly available multicast sites
that I can direct some of my clients/customers to, to
verify that any problems that they maybe having with
receiving our site's multicast feed involves the routers
in our infrastructure.

Corporation. All rights

>reserved.

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